Signal-Android/app/src/main/java/org/thoughtcrime/securesms/components/settings/DSLSettingsFragment.kt

85 wiersze
2.8 KiB
Kotlin

package org.thoughtcrime.securesms.components.settings
import android.content.Context
import android.os.Build
import android.os.Bundle
import android.view.View
import android.widget.EdgeEffect
import androidx.annotation.CallSuper
import androidx.annotation.LayoutRes
import androidx.annotation.MenuRes
import androidx.annotation.StringRes
import androidx.appcompat.widget.Toolbar
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import org.thoughtcrime.securesms.R
import org.thoughtcrime.securesms.components.recyclerview.OnScrollAnimationHelper
import org.thoughtcrime.securesms.components.recyclerview.ToolbarShadowAnimationHelper
abstract class DSLSettingsFragment(
@StringRes private val titleId: Int = -1,
@MenuRes private val menuId: Int = -1,
@LayoutRes layoutId: Int = R.layout.dsl_settings_fragment,
val layoutManagerProducer: (Context) -> RecyclerView.LayoutManager = { context -> LinearLayoutManager(context) }
) : Fragment(layoutId) {
private var recyclerView: RecyclerView? = null
private var scrollAnimationHelper: OnScrollAnimationHelper? = null
@CallSuper
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
val toolbar: Toolbar = view.findViewById(R.id.toolbar)
val toolbarShadow: View = view.findViewById(R.id.toolbar_shadow)
if (titleId != -1) {
toolbar.setTitle(titleId)
}
toolbar.setNavigationOnClickListener {
requireActivity().onBackPressed()
}
if (menuId != -1) {
toolbar.inflateMenu(menuId)
toolbar.setOnMenuItemClickListener { onOptionsItemSelected(it) }
}
scrollAnimationHelper = getOnScrollAnimationHelper(toolbarShadow)
val settingsAdapter = DSLSettingsAdapter()
recyclerView = view.findViewById<RecyclerView>(R.id.recycler).apply {
edgeEffectFactory = EdgeEffectFactory()
layoutManager = layoutManagerProducer(requireContext())
adapter = settingsAdapter
addOnScrollListener(scrollAnimationHelper!!)
}
bindAdapter(settingsAdapter)
}
override fun onDestroyView() {
super.onDestroyView()
recyclerView = null
scrollAnimationHelper = null
}
protected open fun getOnScrollAnimationHelper(toolbarShadow: View): OnScrollAnimationHelper {
return ToolbarShadowAnimationHelper(toolbarShadow)
}
abstract fun bindAdapter(adapter: DSLSettingsAdapter)
private class EdgeEffectFactory : RecyclerView.EdgeEffectFactory() {
override fun createEdgeEffect(view: RecyclerView, direction: Int): EdgeEffect {
return super.createEdgeEffect(view, direction).apply {
if (Build.VERSION.SDK_INT > 21) {
color =
requireNotNull(ContextCompat.getColor(view.context, R.color.settings_ripple_color))
}
}
}
}
}